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Table 3 Demographic and allocation analysis between highest tertile and lower tertiles

From: Serum tartrate-resistant acid phosphatase 5b activity as a prognostic marker of survival in breast cancer with bone metastasis

  

Top 1/3

(n = 33)

(Median ± SD)

Bottom 2/3

(n = 67)

(Median ± SD)

p-value

Age*

 

49.7 ± 8.48

50.0 ± 9.29

0.995

Survival time (days) *

 

202 ± 264

700 ± 702

<0.0001

Pre-enrolled time (days) *

 

817 ± 820

1218 ± 1584

0.021

Baseline TRACP 5b*

 

8.006 ± 3.921

3.063 ± 1.050

<0.0001

CEA*

 

5.34 ± 83.02

2.50 ± 1102

0.577

CA 15.3*

 

196.7 ± 648.06

32.59 ± 142.42

<0.0001

Visceral metastasis**

Positive

22

35

0.248

 

Negative

11

32

 

ER**

Positive

16

47

0.156

 

Negative

12

16

 

HER**

Positive

6

12

1.00

 

Negative

19

38

 

Prior chemotherapy **

None

4

14

0.619

 

One line

16

30

 
 

≥ 2 lines

7

16

 
  1. *: Student t test (2-tailed)
  2. **: Chi-Square
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